Tiered circular fluid treatment module



FIG. 1 is a perspective view showing a tiered circular fluid treatment module thereof;

FIG. 2 is a top plan view thereof, the bottom being essentially the same as the top shown; and

FIG. 3 is a front elevational view thereof, the rear and both sides being essentially the same as the front shown. 

The ornamental design for a tiered circular fluid treatment module, as shown and described. 